231332111213057 has 2 divisors, whose sum is σ = 231332111213058. Its totient is φ = 231332111213056.

The previous prime is 231332111213051. The next prime is 231332111213101. The reversal of 231332111213057 is 750312111233132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231326335061056 + 5776152001 = 15209416^2 + 76001^2 .

It is a cyclic number.

It is not a de Polignac number, because 231332111213057 - 2²⁶ = 231332044104193 is a prime.

It is not a weakly prime, because it can be changed into another prime (231332111213051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115666055606528 + 115666055606529.

It is an arithmetic number, because the mean of its divisors is an integer number (115666055606529).

Almost surely, 2^{231332111213057} is an apocalyptic number.

It is an amenable number.

231332111213057 is a deficient number, since it is larger than the sum of its proper divisors (1).

231332111213057 is an equidigital number, since it uses as much as digits as its factorization.

231332111213057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

Adding to 231332111213057 its reverse (750312111233132), we get a palindrome (981644222446189).

The spelling of 231332111213057 in words is "two hundred thirty-one trillion, three hundred thirty-two billion, one hundred eleven million, two hundred thirteen thousand, fifty-seven".